Penerapan pembelajaran contekstual teaching and learning (CTL) berbantuan hands on activity untuk memahamkan siswa kelas VII-D SMPN 16 Malang pada materi perbandingan
The purpose of this research is revising the way of teaching for making student understand about mathematical ratio through Contextual Teaching and Learning by the use of Hands on Activity. The type of this research is a classroom action research with two cycles, the first cycle consists of four meetings and two meetings of the second cycle. Research’s subject is all students class VII-D SMPN 16 Malang, as many as 37 students, consist of 17 men and 20 women. The research activities comprise of learning, class discussions, presentations, and final test.. The data were collected from the result of cyclic final test, the assignment result of students on answering cyclic final test, the result observation about teacher and students activities, interview and field notes. The result indicate that cycle I learning achievement is 80 percent and there are 12 students who made mistakes on the material concept of find a quantity if ratio is known. In the second cycle the percentage of learning achievement is 89,18 percent of the number of students in the classroom and there are 13,88 percent of students still do not understand the material find quantity if ratio is known. Based on these results it can be concluded that the application of a Contextual Teaching and Learning (CTL) approach assisted by hands on activity can make students in grade VII-D SMPN 16 Malang understanding about topics of ratio.